Piano.



O. W. ZINGO.

PIANO.

APPLICATION FILED MAR. 29, 1907.

Patented Jan. 26, 1909.

' size, shape, and thickness, suitable to-the;

UNITED STATES PATENT OFFICE.

CHARLES WM. 'zn' ioo, OF ALBANY, NEW YORK.

PIANO.

To all whom it may concern:

Be it known that I, CHARLEsWM. Zmco, a citizen of the United States,residing at Albany, in the. vcounty of Albany. andState of New York,have invented new and useful Improvements in Pianos, reference being badtherein to the accompanying drawings.

The objects of my inventions siren-1st, to communicate thestringsvibrations to the sounding board Without the aidxof bridges glued tosaid soundini board as the way of construction had een before, whichcaused numerous troubles by breaking'and ungluing of said bridges. 2nd,,to make it ossible to :use the'sounding-board asone arge piece, orto-divide it"in any desired number of smaller sounding boards in anykind and style of instrument to be used-fer.

Figure 1 iso. frontview of the-frame together with the stringsandsounding board.

Fig. 2 is a rear view. I Fig. 3 is a section on.

the line A B. Fig. 4 is a sectiong en the line C 'D.

The frame is with hitch pin plates 4 and 5.- .Holes are Specification ofLetters Patent. Application filed March 29;1907. Serial No. 365,406.

- minethe vibrating le composed ofbarsl and 10 Patented Ian. 26,. 1909.

drilled in or through said bars 1 and 10 to properly attach a number ofsounding boards 2 to said bars 1 and 10. Strips 3 hold sound ing boards2 firmly to bars 1 and. 10., On the up er one of thelbars 10 and on theplates 4 an 5 are ribs, serving as bridges to detertbs-of the,strings.The treble strings 6 are astenedwto hitch pin plate 4 and bass strings?to hitch lpin plate 35 5. The opposite ends of the strings 'arefastonedt0 tuning pins 9. The frames'can be constructed in so many differentvarietiesof I shapes and sizes that they can be usedlfogj nearly evekind of string instruments; WhatIcaimisz 5 The combination 'with a piano-frame having hitchplates of strips 3 and- -a'nnm-a ;berof semi boards 2roperly attached 1 by screws or-bo ts Ste the ifferent members 45 oftheframeand'the hitch pin plates and to strip s 3. CHARLES WM. ZINCQ.

Witnesses:

' A.-FR0MMEE,

E. Gems.

